BENDIX A-18 TRAILER ABS Manual page 33

ECU
Cable
Connector
Guides
Pin# Ref.
1 GND
DIA
2
V
DIA
3
SS
A-
4 SS
A+
5 SS
B-
6
SS
B+
7 SS
C-
8
SS
C+
9
SS
D-
10 SS
D+
11 1587+
12
1587-
ECU
Connector
Pin# Ref.
SS
1 A+
SS
2 A-
CMN
3
A
4
HLD
A
GND
5
ECU
V
6
ECU
FIGURE 39 - ECU Pin Identification Chart
Cover Lock
ECU Cover
Alignment
Tabs
Description
Diagnostic Port Ground
Diagnostic Port Power (12V)
Speed Sensor A, Negative
Speed Sensor A, Positive
Speed Sensor B, Negative
Speed Sensor B, Positive
Speed Sensor C, Negative
Speed Sensor C, Positive
Speed Sensor D, Negative
Speed Sensor D, Positive
Diagnostic Link, Positive
Diagnostic Link, Negative
Cover Lock
Cable
Guides
Description
Speed Sensor A, Positive
Speed Sensor A, Negative
Valve A, Common
Valve A, Hold Solenoid
ECU Ground
ECU Continuous Power (with Ignition ON)
STANDARD SYSTEM
Top–Looking into Harness Connector
6 5 4 3 2
SS SS SS SS V
A+
B- A-
B+
7 8 9 10 11
SS SS SS SS 1587
C- C+ D- D+
X2-CODING B
(BLACK)
Pin# Ref.
1 HLD
B
2 CMN
B
3 CMN
A
4 HLD
A
5 GND
ECU
6 V
ECU
V
7
BL
8
NC
C
9
WL
T+
10 REL
A
11 NC
12 REL
B
BASIC SYSTEM
ECU Cover
X1-CODING C
(GREEN)
Alignment
Tabs
Pin# Ref.
7
V
BL
8
WL
T+
9
DIAG
C
REL
A
10
SS
11
B-
12 SS
B+
1
6 5 4
GND
V GND HLD
DIA
DIA
A
ECU ECU
12
7 8 9
1587
V DIAG WL
+
-
BL
T+
X1-CODING A
(GREY)
Description
Valve B, Hold Solenoid
Valve B, Common
Valve A, Common
Valve A, Hold Solenoid
ECU Ground
ECU Continuous Power (with Ignition ON)
Brake Light Power (Secondary Power Source)
No Connection
Warning Light Power, Trailer Mounted
Valve A, Release Solenoid
No Connection
Valve B, Release Solenoid
Top–Looking into Harness Connector
6 5 4 3
V GND HLD CMN
ECU A
ECU
7 8 9 10
V WL DIAG REL
BL T+
Description
Brake Light Power (Secondary Power Source)
Warning Light Power, Trailer Mounted
Diagnostic Plug
Valve A, Release Solenoid
Speed Sensor B, Negative
Speed Sensor B, Positive
3 2 1
CMN CMN B HLD
B
A
10 11
12
REL WL T- REL
B
A
2 1
SS SS
A A- A+
11 12
SS SS
A B- B+
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